protected void AppendAdditionHandlerToTailEnd(ISerialNumberRuleHandler handler)
{
ISerialNumberRuleHandler tempHandler = _handler.Successor;
while (true)
{
if (tempHandler.Successor != null)
tempHandler = tempHandler.Successor;
else
{
tempHandler.Successor = handler;
break;
}
}
}
protected ISerialNumberRuleHandler GetCommonRules()
{
_handler = new SerialNumberCannotBeEmpty();
_handler.Successor = new SerialNumberCannotContainSpaces();
return _handler;
}
public SerialNumberValidator(ISerialNumberRuleHandler handler)
{
_handler = GetCommonRules();
AppendAdditionHandlerToTailEnd(handler);
}
